The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

Send a postcard while vacationing with Satan.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

A trash dump made beautiful by nature's power.

A massive sea stack famous for its appearance in The Goonies.

At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.

A multiversal transit station located right below a highway interchange.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

This road winds through the steep coastal cliffside offering spectacular views for those who brave the drive.

The Cape of Good Hope is not quite as low as you can go on the African continent, but it's still geographically significant.

This African beach is home to thousands of rare mainland penguins that are known for their annoying voice.

Island where motor vehicles are banned -- home to the only carless highway in the United States.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

Despite being one of the most photographed vistas in the Rockies these twin peaks are rightfully known as the "Deadly Bells."

Even in death, he's still your huckleberry.

Take a dip in the world's largest mineral hot springs pool.

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

Victorian "Fancy Craft" Hair Wreaths and Relics.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

While most of the games in this arcade take quarters, that would have been a small fortune when they were made.

A downtown park built on top of unclaimed graves.

This museum offers an actual time machine back through Colorado's past.

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).